Is E131 Vegan?
E131 (Patent Blue V) is suitable for vegans. It is a synthetic triarylmethane dye, and no animal-derived materials are involved in its standard production.
Why is E131 vegan?
A synthetic triarylmethane dye. Because the production process doesn't use animal ingredients or animal processing aids, E131 is classed as vegan by the Open Food Facts additive taxonomy and by vegan organisations.
What can vegans look for instead?
No alternative needed — E131 itself is vegan-friendly. Just remember that a product containing E131 can still be non-vegan because of its other ingredients, so always read the full label.
Is E131 vegetarian?
Yes — E131 is suitable for vegetarians.
Frequently Asked Questions
Is E131 always non-vegan?
E131 is consistently produced without animal ingredients, so it is regarded as vegan in all normal food uses.
How can I tell if E131 is vegan in a specific product?
You generally don't need to — E131 is vegan by nature. Check the rest of the ingredients list for animal-derived items instead.
Are there vegan-friendly versions of E131?
All standard food-grade E131 is vegan, so no special version is needed.
← Everything about E131: safety, halal status and where it's found
This section contains affiliate links. We may earn a small commission if you purchase through our links, at no extra cost to you.
Looking for vegan food products?
Vegan ingredient guides
Learn to spot hidden animal ingredients on any label.
Vegan status follows the Open Food Facts additive taxonomy (ODbL licence). Sources may vary by manufacturer — check packaging or look for certified vegan labelling.